| 发明名称 |
Process for preparing methylcarbamate insecticides. |
| 摘要 |
<p>A process of preparing insecticidal N-methylcarbamates comprising in step (a) reacting an alkali metal cyanate salt with dimethyl sulfate in acetonitrile solvent and heating in a steady stream of nitrogen and in step (b) immediately bubbling the methyl isocyanate formed from step (a) into a solution of the appropriate oxime or phenol. </p> |
| 申请公布号 |
EP0200429(A2) |
申请公布日期 |
1986.11.05 |
| 申请号 |
EP19860302892 |
申请日期 |
1986.04.17 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
MROWCA, JOSEPH JOHN |
| 分类号 |
C07D307/86;(IPC1-7):C07C125/06;C07C149/20;C07C149/14;C07C125/067 |
主分类号 |
C07D307/86 |
| 代理机构 |
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代理人 |
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| 主权项 |
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